ns3-cf.eolo.it has no MX records.
Question and response
Question
dig ns3-cf.eolo.it. MX
Answer
The response has no answer records.
Authority
eolo.it. 1800 SOA ns1-cf.eolo.it. dns.cloudflare.com. 2396591632 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0